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Fix build with open() defined to open64()

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This commit is contained in:
Cameron Gutman 2022-09-04 23:45:18 -05:00
parent eb781ce689
commit 07e902fe95
1 changed files with 26 additions and 18 deletions
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44
app/masterhook.c
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@ -94,6 +94,32 @@ int drmModeAtomicCommit(int fd, drmModeAtomicReqPtr req,
// hook this variant of open(), since that's what SDL uses. When we see
// the open a FD for the same card as the Qt DRM master FD, we'll drop
// master on the Qt FD to allow the new FD to have master.
int openHook(const char *funcname, const char *pathname, int flags, va_list va);
// fcntl.h may define open to open64 which will cause us to define open64 twice.
// Remove this redirection to allow our hooks to build properly with _FILE_OFFSET_BITS=64.
#ifdef open
#undef open
#endif
int open(const char *pathname, int flags, ...)
{
va_list va;
va_start(va, flags);
int fd = openHook(__FUNCTION__, pathname, flags, va);
va_end(va);
return fd;
}
int open64(const char *pathname, int flags, ...)
{
va_list va;
va_start(va, flags);
int fd = openHook(__FUNCTION__, pathname, flags, va);
va_end(va);
return fd;
}
int openHook(const char *funcname, const char *pathname, int flags, va_list va)
{
int fd;
@ -152,24 +178,6 @@ int openHook(const char *funcname, const char *pathname, int flags, va_list va)
return fd;
}
int open(const char *pathname, int flags, ...)
{
va_list va;
va_start(va, flags);
int fd = openHook(__FUNCTION__, pathname, flags, va);
va_end(va);
return fd;
}
int open64(const char *pathname, int flags, ...)
{
va_list va;
va_start(va, flags);
int fd = openHook(__FUNCTION__, pathname, flags, va);
va_end(va);
return fd;
}
// Our close() hook handles restoring DRM master to the Qt FD
// after SDL closes its DRM FD.
int close(int fd)